Decreased levels are seen in hepatic dysfunction, renal disease and various neoplasms." Total globulins may be increased in some chronic inflammatory diseases (TB, syphilis) multiple myeloma, collagen disease, and rheumatoid arthritis. The A/G ratio can be decreased in response to a low albumin or to elevated globulins. The albumin to globulin (A/G) ratio has been used as an index of disease state, however, it is not a specific marker for disease because it does not indicate which specific proteins are altered. Albumin accounts for more than 50% of the total serum proteins. The major proteins seen in the serum are albumin and globulin-the latter being primarily alpha 1 and alpha 2 globulin, beta globulin and gamma globulin. If you’re training quite a lot, you’ll also want to make sure you’re getting in a good proportion of carbohydrates in order to fuel high-intensity workouts and support your immune system (between 6 and 10g/kg of body weight depending on training volume)."Clinical Significance (from Quest Diagnostics) These foods are filling but also relatively light in calories, and the moderately high protein intake can also help conserve your muscle mass during weight loss. between 1 to 1.5g/kg of body weight), fruit, vegetables and wholegrains. In general, diets that help achieve this are relatively high in protein (e.g. Reducing your body weight is ideally achieved by reducing body fat (rather than muscle), which can be done by ensuring you have a small energy deficit between what you eat and how much you burn, and following a diet that allows you to do this over the long-term. When looking to improve your power-to-weight ratio, perhaps with the goal of becoming a faster climber on the bike, this can be achieved by increasing your power output, lowering your body weight or ideally accomplishing both at the same time. You can improve your power-to-weight ratio by increasing your power output, lowering your body weight, or both. How to improve your power-to-weight ratio Ultimately, a W/kg chart like this can give you a good idea of how you stack up against other cyclists, what durations you’re most suited to and where you might want to focus your training. Similarly, these sprinters will have lower W/kg ratios at their FTP due to factors such as greater muscle mass and larger anaerobic capacities. However, these cyclists often have weaker 5-sec and 1-min W/kg values compared to sprinters, due to their muscles being heavily adapted to aerobic metabolism. However, it’s worth noting that you’re unlikely to excel across all durations.Īn FTP of more than 6 W/kg is commonly associated with professional cyclists who specialise in climbing. You can then use this information to create a training plan. Your W/kg across the different durations can give some insights into where you are most/least naturally talented or where you need to improve to achieve your goals. 4 mmol/L), critical power or, most commonly, Functional Threshold Power (FTP).įor example, if you complete an FTP test and your Functional Threshold Power is determined to be 250 watts, and you weigh 75kg, your power-to-weight ratio here will be 3.33 W/kg. The watts used in this calculation will most commonly refer to your power output at your maximal steady-state power, which could be an identified lactate concentration (e.g. Your power-to-weight ratio can be calculated as watts (W) divided by your body weight in kilograms (kg), expressed as W/kg.Īll you need to do is take the power output you can sustain for a given duration or at a certain physiological threshold (we’ll come on to that) and divide it by your body weight in kilograms to find your own W/kg. Here, we’ll look at how to calculate your own power-to-weight ratio, how to improve it and what effect that improvement can have on your cycling performance. Normalising your power output to your body weight can provide a better means of assessing your ability over hilly terrain and comparing your performance to other cyclists.
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